# Schoolhouse Lake

Schoolhouse Lake is a lake in [Napoleon Township](https://ontology.bommaritollc.com/id/01a0ca47-77db-749e-81ff-e755d1843acd), [Jackson County](https://ontology.bommaritollc.com/id/01a0ca47-5d2e-7158-b23f-ecd175f58db5), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Headwaters Grand River (HUC10 0405000401)](https://ontology.bommaritollc.com/id/01a0de92-1d62-735a-b562-311334647fab) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-c7dc-71e0-af94-30d23be34b91>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Jackson County](https://ontology.bommaritollc.com/id/01a0ca47-5d2e-7158-b23f-ecd175f58db5) › [Napoleon Township](https://ontology.bommaritollc.com/id/01a0ca47-77db-749e-81ff-e755d1843acd)

Type: [geo:Feature](http://www.opengis.net/ont/geosparql#Feature), [schema:LakeBodyOfWater](https://schema.org/LakeBodyOfWater), [schema:Place](https://schema.org/Place)

Location: 42.19087, -84.33606 (box -84.33606, 42.19087, -84.33606, 42.19087; west, south, east, north)

- `adms:identifier`: [gnis 637424](https://ontology.bommaritollc.com/id/01a0ddfe-c7dd-705c-990b-7a880a2853a5)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [point of Schoolhouse Lake](https://ontology.bommaritollc.com/id/01a0ddff-010c-7761-8836-ad717708d8d3)
- `geo:hasGeometry`: [point of Schoolhouse Lake](https://ontology.bommaritollc.com/id/01a0ddff-010c-7761-8836-ad717708d8d3)
- **in watershed** (`bcgeo:inWatershed`): [Headwaters Grand River (HUC10 0405000401)](https://ontology.bommaritollc.com/id/01a0de92-1d62-735a-b562-311334647fab)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-c7dc-71e0-af94-30d13cc8a696)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5b12-752b-993b-65e7a96175bc)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-16e9-75d3-9f0a-8154e7542c01)
- `schema:containedInPlace`:
  - [Jackson County](https://ontology.bommaritollc.com/id/01a0ca47-5d2e-7158-b23f-ecd175f58db5)
  - [Napoleon Township](https://ontology.bommaritollc.com/id/01a0ca47-77db-749e-81ff-e755d1843acd)
- `skos:prefLabel`: Schoolhouse Lake

## Elsewhere

- [Wikidata Q33306732](https://www.wikidata.org/wiki/Q33306732) (proposed match (exactMatch))
- [USGS GNIS 637424](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/637424) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.19087&mlon=-84.33606#map=14/42.19087/-84.33606) (42.19087, -84.33606)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.19087,-84.33606)
- [Source](https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames_MI_Text.zip) (prd-tnm.s3.amazonaws.com)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)
- [Source](https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer) (hydro.nationalmap.gov)

## Pointing here

- Mappings (1; `owl:annotatedSource`):
  - [exactMatch http://www.wikidata.org/entity/Q33306732 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7709-71eb-adc9-e13a24dcbec0)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c7dc-71e0-af94-30d23be34b91.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c7dc-71e0-af94-30d23be34b91.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c7dc-71e0-af94-30d23be34b91.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c7dc-71e0-af94-30d23be34b91)
Cite as: Schoolhouse Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-c7dc-71e0-af94-30d23be34b91
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.